#A01F1B#A01F1B

#A01F1B is a mid, vivid red. Relative luminance 0.085; OKLCH L 46.0% C 0.165 H 27.9°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#A01F1B
RGB	rgb(160, 31, 27)
HSL	hsl(2, 71%, 37%)
HSV	hsv(2, 83%, 63%)
CMYK	cmyk(0%, 80.6%, 83.1%, 37.3%)
CIE-LAB	lab(35.07, 51.17, 36.32)
CIE-LCH	lch(35.07, 62.76, 35.37°)
OKLab	oklab(46% 0.1461 0.0774)
OKLCH	oklch(46% 0.165 27.9)
XYZ	xyz(15.1869, 8.5352, 1.8845)
Luminance	0.0853 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01F1B #1B9CA0

analogous

#A01B59 #A01F1B #A0621B

triadic

#A01F1B #1BA01F #1F1BA0

tetradic

#A01F1B #59A01B #1B9CA0 #621BA0

square

#A01F1B #59A01B #1B9CA0 #621BA0

split-complementary

#A01F1B #1BA062 #1B59A0

monochromatic

#370B09 #6C1512 #A01F1B #D42924 #E25853

Accessibility & contrast

On white

7.76

#A01F1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#A01F1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01F1B

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01F1B	#FFFFFF	#000000	##FFFFFF
##A01F1B	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484119

Deuteranopia (green-blind)

#685C14

Tritanopia (blue-blind)

#B10020

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01f1b;
/* rgb */ color: rgb(160, 31, 27);
/* oklch */ color: oklch(46.0% 0.165 27.9);

Tailwind

colors: {
  custom: {
    50: '#c66859',
    500: '#a01f1b',
    950: '#000000',
  },
}

SCSS

$custom: #a01f1b;
$custom-light: #c66859;
$custom-dark: #000000;

JSON

{
  "hex": "#a01f1b",
  "rgb": {
    "r": 160,
    "g": 31,
    "b": 27
  },
  "hsl": {
    "h": 1.805,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.46004,
    "c": 0.16532,
    "h": 27.9
  },
  "luminance": 0.08533
}

Semantic roles & 50–950 ramp

primary

#A01F1B

secondary

#52C1C5

accent

#E8EE3A

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A01F1B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →